`ydtsb.com`

DNSSEC	⚠️ Not signed
NS	`n1.xundns.com` ⭐
		A	2409:8c44:1b00:601:1:1110:609:6027^{🇨🇳 CHINAMOBILE-CN2409:8c44:1b00::/48 CMI (Customer Route)}
		A	2604:86c0:5001:11::2659:466b^{🇺🇸 AS630232604:86c0:5000::/36 GTHOST-SEA}
		A	38.89.70.107^{🇺🇸 AS6302338.89.70.0/24 Route Registered for Cogent Communications Customer - GlobalTelehost Corp}
			PTR	`107-70-89-38.clients.gthost.com`
		A	111.6.96.24^{🇨🇳 CHINAMOBILE-CN111.6.96.0/21 CMI (Customer Route)}
		A	119.91.0.164^{🇨🇳 TENCENT-NET-AP119.91.0.0/18 CTJS-NJJS-IDC-tencent}
		A	122.114.39.7^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
NS	`n2.xundns.com`
		A	2408:8621:0:42:e401:402:0:a^{🇨🇳 CHINA169-Backbone2408:8621::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	2408:8722:1801:10:4:611:6303:181^{🇨🇳 CHINA169-Backbone2408:8722::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street}
		A	2604:86c0:6001:8::a9c5:8e51^{🇺🇸 AS630232604:86c0:6000::/36 GTHOST-SCL}
		A	61.163.30.182^{🇨🇳 CHINA169-Backbone61.163.0.0/16 CNC Group CHINA169 Henan Province Network}
			PTR	`hn.ly.kd.adsl`
		A	122.114.37.19^{🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom}
		A	169.197.142.81^{🇺🇸 AS63023169.197.142.0/24 GlobalTeleHost}
			PTR	`81-142-197-169.clients.gthost.com`
SOA	`n1.xundns.com`nsadmin@xundns.com serial=437896

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775205177

Same first word

ydtsb.com

Similar names

stdby.com

ytsdb.com

bysdt.com.cn

bytds.com

tybsd.com

btdsy.com

sydtb.com

dsytb.com

bystd.com

bydst.com

tydbs.duckdns.org

sybdt.com

bsydt.com

tsbyd.com.cn

stdby.cn

ytsbd.shop

tsbdy.com

sdtyb.com

tydbs.cn

sdtby.cn

sdbyt.com

ytbsd.com.cn

tsdby.cn

DNS History

4 records (2 active, 2 former)

●NSn1.xundns.com2026-03-24 → 2026-04-03 · 2 obs

● 2026-03-24 16:30:24
● 2026-04-03 08:49:28

●NSn2.xundns.com2026-03-24 → 2026-04-03 · 2 obs

● 2026-03-24 16:30:24
● 2026-04-03 08:49:28

○A47.52.88.262017-07-04 → 2017-07-04 · 4 obs

○ 2016-12-14 11:02:24
● 2017-07-04 10:16:42
○ 2026-03-24 16:30:24
○ 2026-04-03 08:49:28

○A47.90.94.502016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 11:02:24
○ 2017-07-04 10:16:42
○ 2026-04-03 08:49:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ydtsb.com	n1.xundns.com, n2.xundns.com	12 records

✅ Authoritative Response

Server:122.114.37.19

NS records: n1.xundns.com, n2.xundns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ydtsb.com (unsigned zone)

⏱️ Timing

Total: 3623ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`n1.xundns.com, n2.xundns.com`
SOA	1	`n1.xundns.com nsadmin.xundns.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (n1.xundns.com, n1.xundns.com, n1.xundns.com...)

Analysis

Name Servers

Two name servers n1.xundns.com and n2.xundns.com handle the delegation for ydtsb.com.

ydtsb.com shares the same name server setup as other domains, for example 100sms.cn, abcabcabc1.com, hrssedu.com, metaconnectworld.com and jiayouyichong.com.

ydtsb.com at least partially shares name servers with other domains, for example coherentcenter.com, 4919557.com, 123hpdrivers.com, 179448.com and commonwelljournal.com.

These name servers are often used together with v1s1.xundns.com and v1s2.xundns.com.

Host names with six IP numbers:

n1.xundns.com points to 2409:8c44:1b00:601:1:1110:609:6027, 2604:86c0:5001:11::2659:466b, 38.89.70.107, 111.6.96.24, 119.91.0.164 and 122.114.39.7.

n2.xundns.com points to 2408:8621:0:42:e401:402:0:a, 2408:8722:1801:10:4:611:6303:181, 2604:86c0:6001:8::a9c5:8e51, 61.163.30.182, 122.114.37.19 and 169.197.142.81.

ydtsb.com - robtex.com

ydtsb.com

com